<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="js/jquery-1.12.4.min.js"></script>
    <script>

        $(function (){
            $.post("data.json",{"user":"login"},function (data,status){
                alert(data);
                alert(status);
            }).error(function (){
                alert("网络链接失败");
            });
        });

    
    </script>
</head>
<body>
    
</body>
</html>